Jason Alexander and Michael Richards in Seinfeld (1989)

Jason Alexander and Rosalind Allen in Seinfeld (1989)

Jerry Seinfeld, Jason Alexander, and Michael Richards in Seinfeld (1989)

Julia Louis-Dreyfus, Jerry Seinfeld, Jason Alexander, and Michael Richards in Seinfeld (1989)

Jerry Seinfeld, Jason Alexander, and Lawrence Tierney in Seinfeld (1989)

Jerry Seinfeld and Jason Alexander in Seinfeld (1989)

Jason Alexander and Anthony Starke in Seinfeld (1989)

Jason Alexander and Matt McCoy in Seinfeld (1989)

Jerry Seinfeld, Jason Alexander, and Sam Shamshak in Seinfeld (1989)

Jason Alexander and Heidi Swedberg in Seinfeld (1989)

Jason Alexander and Rif Hutton in Seinfeld (1989)

Jason Alexander and Jon Favreau in Seinfeld (1989)

Jason Alexander and Maggie Wheeler in Seinfeld (1989)

Jerry Seinfeld, Jason Alexander, and Christa Miller in Seinfeld (1989)

Julia Louis-Dreyfus, Jerry Seinfeld, and Jason Alexander in Seinfeld (1989)

Harrison Ford, River Phoenix, and Jason Alexander in The Mosquito Coast (1986)

Jason Alexander in The Mosquito Coast (1986)

Julia Roberts and Jason Alexander in Pretty Woman (1990)

Richard Gere and Jason Alexander in Pretty Woman (1990)

Jason Alexander, Melanie Chartoff, Patience Cleveland, Jon Favreau, and Lawrence LeJohn in Seinfeld (1989)

Jason Alexander, Jerry Stiller, and Estelle Harris in Seinfeld (1989)

Tony Shalhoub and Jason Alexander in The Marvelous Mrs. Maisel (2017)

Jason Alexander in The Marvelous Mrs. Maisel (2017)

Rowan Atkinson, Robert De Niro, Bill Paxton, Rene Russo, Ben Kingsley, Jason Alexander, Amanda Bynes, Frankie Muniz, and Paul Giamatti in The Adventures of Rocky & Bullwinkle (2000)

George Wendt, Vanessa Williams, Tyne Daly, Jason Alexander, Marc Kudisch, and Chynna Phillips in Bye Bye Birdie (1995)

Vanessa Williams, Jason Alexander, Jason Gaffney, Marc Kudisch, and Chynna Phillips in Bye Bye Birdie (1995)

Dan Aykroyd, Bruce Willis, Julia Louis-Dreyfus, John Ritter, Elijah Wood, Jon Lovitz, Jason Alexander, Faith Ford, and Reba McEntire in North (1994)

James Woods, Lolita Davidovich, and Jason Alexander in For Better or Worse (1995)

George Wendt, Vanessa Williams, Jason Alexander, Jason Gaffney, Marc Kudisch, and Chynna Phillips in Bye Bye Birdie (1995)

Bruce Willis, Julia Louis-Dreyfus, Elijah Wood, Jon Lovitz, Jason Alexander, Faith Ford, and Reba McEntire in North (1994)

Vanessa Williams, Jason Alexander, and Marc Kudisch in Bye Bye Birdie (1995)

Ron Perlman, Alison Eastwood, Jason Alexander, Rob Estes, Esai Morales, and Kimberly Williams-Paisley in How to Go Out on a Date in Queens (2006)